From head to head statistics alone we can see how fragile Arsenal were at that time and it looks like this will not happen again with the current squad. The difference is clearly so big that Arsenal could make things difficult for Bayern Munich. Sometimes there are times when those statistics don't apply and I'm pretty sure Arsenal can be relied on.
The statistical analysis of Gunners have made huge positive improvement and any opponents coming their path, they ensured they cleared them with brief history. Arsenal are formidable and strong this season, they're exceptionally having great time and Mikel Arteta will try his best to maintain the potential form of these players. Arsenal might be underperfoming in all these previous season but this one is different. Mikel Arteta, the players will definitely shoots huge shoot because they're so desperate to lift a title.

The history of arsenal in UCL is pretty much the same like when arsenal was playing at EPL. Nothing difference, arsenal probably lose again against bayern soon. Arsenal never had good statistic in UCL. It has ever entered into the final but this was a very long time ago.
Arsenal never repeats this because the club is too weak to get UCL. I can understand it since Arsenal must have faced so many of the strongest clubs from the various leagues. This is also giving very big pressure to Arsenal.
Arsenal will not able to give a shoot to the UCL this season. It's caused by this is too hard for arsenal even though it's still getting good result in UCL. Im doubting arsenal to win against bayern soon. bayern literally played badly in the previous stage.
Things may be the difference in the next game against arsenal. As long as bayern can play freely and the chance to beat arsenal is very big for bayern. Getting draw in the first leg will have become a key to beat arsenal. Tuchel needs to think something good to ensure bayern can qualify and the club will not sack him.